4.8 Article

Ratiometric Sensing of Fluoride Anions Based on a BODIPY-Coumarin Platform

Journal

ORGANIC LETTERS
Volume 13, Issue 22, Pages 6098-6101

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol202595t

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Funding

  1. NSFC [20872032, 20972044, 21172063]
  2. NCET [08-0175]
  3. Chinese Ministry of Education [20100161110008]
  4. Hunan University

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Based on a new coumarin-BODIPY platform, compound 4 was rationally designed and synthesized as a novel ratiometric fluorescent sensor for fluoride anions. The sensor exhibited a large red shift (88 nm) in absorption and a drastic ratiometric fluorescent response (I-472/I-606 = 17.4) to fluoride anions. Density function theory and time-dependent density function theory calculations were conducted to rationalize the optical response of the sensor.

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